Enable touch text selection on Athena

athena/wm/window_overview_mode.h

Index: athena/wm/window_overview_mode.h
diff --git a/athena/wm/window_overview_mode.h b/athena/wm/window_overview_mode.h
index 46eb249031eecb1caad16efa236df9153709ae9b..c4a938fac5ad21a74185fbcd921f2a241fbabdbb 100644
--- a/athena/wm/window_overview_mode.h
+++ b/athena/wm/window_overview_mode.h
@@ -6,10 +6,7 @@
 #define ATHENA_WM_WINDOW_OVERVIEW_MODE_H_
 
 #include "base/memory/scoped_ptr.h"
-
-namespace aura {
-class Window;
-}
+#include "ui/aura/window.h"
 
 namespace athena {
 
@@ -26,6 +23,7 @@ class WindowOverviewMode {
 
   static scoped_ptr<WindowOverviewMode> Create(
       aura::Window* container,
+      const aura::Window::Windows& windows,
       WindowOverviewModeDelegate* delegate);
 };